/********************************************************************************
 * Copyright 2009 The Robotics Group, The Maersk Mc-Kinney Moller Institute, 
 * Faculty of Engineering, University of Southern Denmark 
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ********************************************************************************/


#ifndef RWLIBS_OPENGL_RENDERFRAME_HPP
#define RWLIBS_OPENGL_RENDERFRAME_HPP

/**
 * @file RenderFrame.hpp
 */

#include <rwlibs/os/rwgl.hpp>

#include <rw/graphics/Render.hpp>
#include <rw/core/Ptr.hpp>

namespace rwlibs { namespace opengl {

    /** @addtogroup opengl */
    /*@{*/

    /**
     * @brief RenderFrame makes a visualization of a frame
     */
    class RenderFrame : public rw::graphics::Render
    {
    private:
        float _size;
        mutable GLUquadricObj *_quadratic;

        mutable float _green[4];
        mutable float _red[4];
        mutable float _blue[4];
    public:
        //! @brief smart pointer type to this class
        typedef rw::core::Ptr<RenderFrame> Ptr;

        /**
         * @brief Constructs a RenderFrame
         * @param size [in] size of the frame coordinate system
         */
        RenderFrame(float size=1);

        /**
         * @brief Destructor
         */
        virtual ~RenderFrame();

    	/* Functions inherited from Render */

        //! @copydoc rw::graphics::Render::draw(const DrawableNode::RenderInfo& info, DrawableNode::DrawType type, double alpha) const
        void draw(const rw::graphics::DrawableNode::RenderInfo& info,
                  rw::graphics::DrawableNode::DrawType type,
                  double alpha) const;

    };

    /*@}*/
}} // end namespaces

#endif // end include guard
